RCA F27730EMJX1, Техническая сервисная информация

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TUNER INFORMATION
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MISCELLANEOUS ADJUSTMENTS
TUNER TUNER TUNER TUNER TUNER VVVVVOL OL OL OL OLTTTTTAAAAAGE CHAR GE CHAR GE CHAR GE CHAR GE CHARTTTTT
Pin Pin
Pin Pin Pin
VHF Lo VHF Lo
VHF Lo VHF Lo VHF Low Band
w Band
w Band w Band w Band
VHF High Band VHF High Band
VHF High Band VHF High Band VHF High Band
UHF Band UHF Band
UHF Band UHF Band UHF Band
1 (AGC) 5.4V 4.1V 7.9V
2 (+12V) 12.0V 12.0V 12.0V
3 (IF) 11.7V 11.6V 11.7V
4 (+33V) 33.0V 33.0V 33.0V
5 (-12V) -10.0V -10.0V -10.0V
6 (+5V) 5.0V 5.0V 5.0V
7 (SDA) 5.0V 5.0V 5.0V
8 (SCK) 5.0V 5.0V 5.0V
Note: VHF Low Band voltages taken on channel 2.
VHF High Band voltages taken on channel 7.
UHF Band voltages taken on channel 14
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(1)
t
(8)
t
(6)
t
(4)
t
(3)
t
t
(2)
(5)
t
(7)
TUNER TUNER TUNER TUNER TUNER TERMINAL GUIDE TERMINAL GUIDE TERMINAL GUIDE TERMINAL GUIDE TERMINAL GUIDE
Impor Impor Impor Impor Important P tant P tant P tant P tant Par ar ar ar arts Inf ts Inf ts Inf ts Inf ts Information ormation ormation ormation ormation
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The parts listed here are those not usually available from a well-stocked supply cabinet or bin.
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Where items may be replaced with equivalent parts, several alternates are shown from participating vendors.
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On the parts lists, safety items are marked with a # # # # # to remind you that only exact replacements are recommended for
these items.
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When ordering parts, state the model number, part number, and description.
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Many of these parts are available from your local Sams authorized distributor or the manufacturer of the equipment. Call
Sams for the name of your nearest distributor:
800-428-7267
Or consult the Sams
Annual Index
for the address of the original equipment manufacturer.
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Information on test equipment and replacement parts is listed in these pages for the following participating vendors.
Consult the Sams Annual Index for their current address.
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NTE Electronics, Inc. (NTE)
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Sencore, Inc.